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Note
titleAttention:

Please note that operations of the LI-7200 CO2 / H2O Analyzer requires experienced scientific staff on board the aircraft.

Summary

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contenttypeSummary

The Greenhouse Gas Analyzer (model GGA-24EP) is an advanced instrument for simultaneous measurements of methane (CH4), carbon dioxide (CO2) and water vapor (H2O) using cavity enhanced laser absorption technique.



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ManufacturerDroplet Measurement Technologies
ModelUHSAS
Serial No.1206-036
TypeSpectrometer



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Image Added Image Added Image Added Image Added


Contacts

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NameInstitutionRole
Gerd RohardtAlfred-Wegener-InstituteData Scientist
Andreas WisotzkyAlfred-Wegener-Institute for Polar and Marine ResearchData Scientist
FIELAX GmbHFIELAX Gesellschaft für wissenschaftliche Datenverarbeitung mbHEngineer In Charge


Components

The LI-7200 CO2 / H2O Analyzer system comprises the analyser itself and an interface unit for data flow.

Position

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Origin Description:The device is installed in a rack. It is connected with tubes to an air inlet installed at the cabin roof.


Data logging, storage and archiving

Logged parameter

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contenttypeParameters


ParameterSensor Output TypeUnit
conductivityconductivityHz
internal temperaturetemperatureHz
external temperaturewater temperatureHz
first voltagevoltageV
second voltagevoltageV
SalinitysalinityPSU


Rawdata storage on board

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0Rawdata
During flight FGGA data are stored within the rack unit. Analog data of the methane concentration are also stored within the DMS system.

Data archiving on land

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0DataOnLand
After the flight FGGA data have to be downloaded and are stored within the external devices file system of the aircraft data managment system (DMS). 

DMS

Metadata list
|| Module name| B870 Greenhouse Gas Analyzer||
|| Device name | Greenhouse Gas Analyzer||
|| Parameters | ErrorText; MethaneConcentration raw \[V\]; Status ||



Documentation

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